%0 Journal Article %A Stephen D. Cohen %A Sophie Huczynska %T Primitive free quartics with specified norm and trace %J Acta Arithmetica %D 2003 %P 359-385 %V 109 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/aa109-4-6/ %R 10.4064/aa109-4-6 %G en %F 10_4064_aa109_4_6